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Bogdan [553]
3 years ago
12

A first grade class of nine girls and seven boys walks into class in alphabetical order (by last name). What is the probability

that three girls are the first to enter the room?
Mathematics
1 answer:
prohojiy [21]3 years ago
4 0
18.75 percent because 3/16 x 100 = 18.75
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Use the table to work out the values of a, b, c, and d.
Phoenix [80]

Answer:

aaaaaaaaa x=3-2y

7 0
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What is the domain of Y = log2X?
pashok25 [27]

Answer:

All real numbers greater than 0

Step-by-step explanation:

When you look at   y = log (2)  x

Base 2,   exponent y.

x =  2^y

x  can only be a positive number.

7 0
3 years ago
If equal amounts are added to the numerator and the denominator of the current ratio, the ratio will always:
Marta_Voda [28]

Answer:

Increase?

Step-by-step explanation:

Because think about it let's use 1/2 as an example.

1/2 equals .5 now lets add 2 to both the numerator and denominator

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and u can keep on going on with the method

4/5=.8

7 0
3 years ago
Warm up:Area.how many square units will it take to fill up this rectangle?
astra-53 [7]

Answer:

<em>1</em><em>2</em>

Step-by-step explanation:

<em>here's</em><em> your</em><em> solution</em>

<em>=</em><em>></em><em> </em><em>area </em><em>of </em><em>rectangle</em><em> </em><em>=</em><em> </em><em>length</em><em>*</em><em>width</em>

<em>=</em><em>></em><em> </em><em>area </em><em>4</em><em>*</em><em>3</em><em> </em><em>=</em><em> </em><em>1</em><em>2</em><em>.</em><em>s</em><em>q</em><em>u</em><em>n</em><em>i</em><em>t</em>

<em>=</em><em>></em><em> </em><em>area </em><em>of </em><em>square</em><em> </em><em>=</em><em> </em><em>side^</em><em>2</em><em> </em>

<em>=</em><em>></em><em> </em><em>area </em><em>=</em><em> </em><em>1</em><em>.</em><em>s</em><em>q</em><em>u</em><em>n</em><em>i</em><em>t</em>

<em>=</em><em>></em><em> </em><em>Number</em><em> of</em><em> </em><em>square</em><em> </em><em>=</em><em> </em><em>area</em><em> of</em><em> rectangle</em><em>/</em><em>area</em><em> of</em><em> </em><em>square</em><em> </em>

<em>=</em><em>></em><em> </em><em>n</em><em>o </em><em>of </em><em>square</em><em> </em><em>=</em><em> </em><em>1</em><em>2</em><em>/</em><em>1</em>

<em> </em><em> </em><em>=</em><em>></em><em>. </em><em>1</em><em>2</em><em> </em>

5 0
3 years ago
El interior de un tanque que contiene agua, tiene una presión manométrica de 300 kPa. ¿Qué profundidad tiene el tanque de agua?
zmey [24]

Respuesta:

30,6 metros

Explicación paso a paso:

Dado :

Presión = 300 Kpa

Usando la fórmula que relaciona la presión y la profundidad:

Presión = profundidad * aceleración debida a la gravedad * densidad del agua

Densidad del agua = 1000 kg / m³

Presión = 300Kpa = 300 * 10 ^ 3 Pa

300 * 10 ^ 3 Pa = profundidad * 9,8 * 1000

300000 = profundidad * 9800

Profundidad = 300000/9800

Profundidad = 30,612

Profundidad = 30,6 m

5 0
3 years ago
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